Home / 5,591.20-8,386.26-1,487.20

Finding the Fourth Proportional to 5,591.20, 8,386.26 and 1,487.20

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Solution

The fourth proportional to 5,591.20, 8,386.26 and 1,487.20 is: 2,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.20 : 8,386.26 = 1,487.20 : x
  2. Step 2: Convert to fraction form
    5,591.20/8,386.26 = 1,487.20/x
  3. Step 3: Cross multiply
    5,591.20x = 8,386.26 × 1,487.20
  4. Step 4: Simplify right side
    5,591.20x = 12,472,045.87
  5. Step 5: Solve for x
    x = 12,472,045.87/5,591.20
  6. Step 6: Final answer
    x = 2,230.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.